wills on



F. R. WILLSON.

Harrow Teeth.

No. 69,290. Patented Sept. 24, I867.

Inventor w t l nesses= AM. PHOTOLITHU, CO. N4Y. (OSBDRWE'S FROCEES) ll. WlL-LSUN, 0F 60 flettcrs Patent No. 69,290, dated JgI'PI Cflli /Y? 24-, 1867.

ALL WHO H. f'llfsl' @QNCERN: lie il;,l;rzowm that :l, 3?. E. EVILLSON, of Columbus, in the sounty of Fra ilclin, and 5mm of Ohio, lul /c invbntetl. a new and useful improvement in lllorrmvlleefili'; and l: do hereby declare that the following is a full, clear, anal exam: (lcsoription thereof,- W-lllfill will enable those skilled in he art lo make use the some, reference being 11ml to tlwaccompmiying drawings forming part of this specification, iv wl1ici1-- i of u, barrow having" my improvml single plate s plit cultivator teeth. a olstolil rim-vol the some Figure 0 s a. lmol; View of osinglo tooth Similar letters of reference indicate corresponding parts. This invention relates to an improvement in. izhe c0 sbmctloii of ham-o two cu'lliivzlt r Figure- 2 i q 4 n r and consism in a. tooth with -1vings pl-well one alieatl of the other, ma ls of a single steel pllite of a. 5 form bfaplitting ti'i plzvl' opurlly across and burning out lzlae split parts opposite directionn, right am left, and leaving upper siile of illlO plate solid, 0 be. fzistohml to the liarrw fmmc by soru b01551, Whioh may be secured 1'0 io'glai the p ate with a QZESl'nii'QH hfififlligfilfl it, or in any ot er suitallflo marinara This met-land of" making a steel hm'row-tootli wil imlepemleni; wings or flanges s'vrezzding rig one ahead of the ot-lierfia; much simpler and cheaper than the ordinary mods of 0s united in; the throat in front, and spread. right and loft opporrlt'e each other like a Cultiva ion v necessary to form the tooth when made in this manner, iilic plate is split merely, and tho wings 'lient outward as desired, 11ml both wings present edges in front, which are more easily 5 order than the tln'ozw of an ordinary cultivator-tootll. The tooill nm-zlu edge to the soil, and will out and peuetmteib when stilfand liar sllapecl tooth, while the wings, PlllCCll one in from of the ot film earth.

i ristruocion, wi

a a are independent wings or curvedllzmges, shaped like plough mould-Mord co one side of as oommon cultivator. The Wings :1 a are formed by turning to the riglzl: miclleft the heels or lower incl: ports of. two divisions of-a steel plate, Wlii'cnis split partly across from tho lower ride, ZISSl'IOWIl clearly in fig. i. To fasten the Winged tooth to a lmrro rv -frame, a head, .0, may be cast on tl 10 upper part, having also the heads of two screw-bolts, 62 d, cast in solid, is shown in the drawings, or thefzxppcr partof the 1 to may be warned over to form a. flat flange, through which the sorewbolts' may pass, to secure the tooth to the frame. In order to seclzw ressure, the teeth are made in sets, with riglzi and Filt'll when placei mi ahgirro m, isliown in 0 the greatest strength and resisting power against lateral p left front wings, s0 blml'atlie front wings zilmll turn out Having thus described my invention, what I claim as new and desire to secure by Letters Pare Makingo, lmrro'lwtooth of a single steel plate, split pari of the way mm, will: inclopenclent placed one :ihearl oil Hm other, substantially as shown and describeii.

WE messes:

C. Bmmme, J. SHERIDAN. 

